x轴是日期，hover 时特定的点显示正确，其他的x值显示为…k，如下图所示
下面是相关的代码
DateTick = x[1]:Dates.Month(6):x[end]
DateTick2 = Dates.format.(DateTick,"Y-m")
p1 = scatter(x, y1, xticks = (DateTick, DateTick2),
title = "Money supply", xrotation=-45, label = "人均M2",
legend = :topleft)